Unusually high performance photovoltaic cell based on a [60]fullerene metal cluster-porphyrin dyad SAM on an ITO electrode

被引：102

作者：

Cho, YJ

Ahn, TK

Song, H

Kim, KS

Lee, CY

Seo, WS

Lee, K

Kim, SK

Kim, D ^{[1
]}

Park, JT

机构：

[1] Yonsei Univ, Ctr Ultrafast Opt Characterist Control, Seoul 120749, South Korea

[2] Yonsei Univ, Dept Chem, Seoul 120749, South Korea

[3] Seoul Natl Univ, Sch Chem, Seoul 151747, South Korea

[4] Korea Adv Inst Sci & Technol, Natl Res Lab, Dept Chem, Taejon 305701, South Korea

[5] Korea Adv Inst Sci & Technol, Sch Mol Sci BK21, Taejon 305701, South Korea

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2005年 / 127卷 / 08期

关键词：

D O I：

10.1021/ja044847x

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A self-assembled monolayer (SAM) of a C60-triosmium cluster complex Os3(CO)7(CNR)(CNR-)(μ3-η2:η2:η2-C60) (ZnP-C60; R = (CH2)3Si(OEt)3, R- = ZnP) on an ITO surface exhibits ideal electrochemical responses as well as remarkable enhancement of the photocurrent generation. The diazabicyclooctane (DABCO) binding (ZnP)-C60/ITO/AsA/Pt cell shows the highest photocurrent generation quantum yield (19.5%) ever reported for the molecular photovoltaic cells based on the covalently linked donor-acceptor dyad structures. The high efficiency in photocurrent generation is ascribed to an efficient electron transfer from photoexcited porphyrin to fullerene, revealed by fluorescence lifetime measurements and transient absorption decay profiles. These results provide valuable information on the new strategy for the construction of molecular photonic devices and artificial photosynthetic systems on ITO electrodes. Copyright © 2005 American Chemical Society.

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页码：2380 / 2381

页数：2

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